21700 Li-Ion Battery – 5000 mAh – 17A
Description
Description
The Armytek 21700 Li-Ion 5000 mAh Protected Battery is a high-capacity rechargeable power cell engineered to deliver maximum output and extended runtime for high-amperage devices. Designed for safe and efficient use with powerful Armytek flashlights, it combines premium cell chemistry with an integrated protection circuit board (PCB) for enhanced reliability.
Built with high-quality components, this battery supports high discharge currents of up to 17A, ensuring stable performance even under demanding loads. The reinforced steel plate bottom improves impact resistance and structural integrity, while dual branded field-effect transistors enhance protection system stability.
The intelligent protection system provides triple protection against short circuit, overcharge and overdischarge. Integrated safety vents with thermal cut-off protection further safeguard against overheating. Engineered for durability, the battery supports no fewer than 500 charge and discharge cycles and offers a service life of up to five years under normal operating conditions.
Key Specifications
Battery Type: 21700 Li-Ion (Protected with PCB)
Capacity: 5000 mAh
Nominal Voltage: 3.7V
Maximum Discharge Current: Up to 17A
Protection: Triple protection (short circuit, overcharge, overdischarge)
Protection Components: Dual field-effect transistors
Construction: Reinforced steel plate bottom
Safety Features: Thermal cut-off protection vents
Cycle Life: Minimum 500 charge/discharge cycles
Service Life: Up to 5 years
21700 Li-Ion Battery – 5000 mAh – 17A is backordered and will ship as soon as it is back in stock.
Delivery and Shipping
Delivery and Shipping
All orders are dispatched from our Australian warehouse and are processed during standard business hours, Monday to Friday, excluding public holidays.
Orders are typically packed and dispatched within 1–3 business days from the time of order confirmation. Once dispatched, delivery timeframes vary depending on your location and the shipping method selected at checkout.
Shipping costs are calculated at checkout and are based on order size, weight, and destination.
Once your order has been dispatched, you will receive a confirmation email with tracking details where applicable. Please note that delivery timeframes provided by carriers are estimates only and may be subject to delays outside of our control.
We are not responsible for delays caused by courier networks, weather events, or incorrect delivery information provided at checkout.
If your order arrives damaged, incorrect, or incomplete, please contact us within 7 days of delivery so we can assist.
21700 Li-Ion Battery – 5000 mAh – 17A
ARMYTEK
Designed for reliable illumination outdoors, Armytek lighting delivers dependable performance for camping, travel, and overnight adventures.
Payment & Security
Payment methods
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Dependable After Dark
Armytek is a global lighting manufacturer founded in 2007 with a singular focus: building some of the most reliable and technologically advanced flashlights in the world. With distribution across more than 75 countries and a growing range of high-performance models, Armytek has earned a reputation for uncompromising durability, real-world performance and engineering integrity.
Unlike brands that prioritise appearance over substance, Armytek designs its products around the needs of demanding users including military personnel, rescue teams, security professionals and serious outdoor enthusiasts. Each torch is developed by an international team of engineers with backgrounds in military, aerospace and industrial sectors, using premium components sourced from the USA and Japan.
For Australian users who operate in extreme heat, heavy rain, remote terrain and harsh coastal environments, Armytek’s IP68 waterproof ratings, impact resistance and advanced temperature control systems deliver dependable performance when it matters most. Backed by a 10-year warranty and supported by continuous innovation, Armytek represents professional-grade lighting built for the field, the workshop and everything in between.
MEET THE BESTSELLERS
Explore Armytek’s bestsellers, trusted by professionals and outdoor enthusiasts for their exceptional brightness, durability and long-lasting performance in demanding conditions.
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$199.95
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$179.95
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$169.95
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| Description | The Armytek Prime C2 Pro Max White is the flagship model in the Prime series, delivering an impressive 4000 lumens with a beam distance of up to 260 meters. Designed to combine powerful long-range illumination with wide-angle spill, it effectively lights large areas while maintaining a strong central hotspot. Whether used for outdoor activities, security patrols, emergency response, or industrial environments, the Prime C2 Pro Max provides dependable high-output performance in a compact, durable design. Powered by the included 21700 Li-Ion 5000 mAh battery, the torch delivers extended runtimes exceeding 20 hours in main modes. It also supports standard 18650... | The Armytek Wizard C2 Pro Max is the flagship model in the globally trusted Wizard series, delivering an astonishing 4000 lumens in a compact, multi-functional design. Engineered as a true 3-in-1 lighting solution, it performs as a headlamp, everyday carry torch and sports light. With a wide flood beam and 110° central angle plus 150° spill, it provides comfortable close-range illumination while effectively lighting large spaces, making it ideal for industrial work, outdoor adventures, emergency use and high-intensity tasks. Powered by a high-capacity 21700 Li-Ion 5000 mAh battery, the Wizard C2 Pro Max offers extended runtimes and consistent brightness, even... | The Armytek Predator Pro is Armytek’s longest-throw tactical flashlight, engineered for precision, distance and uncompromising reliability. Delivering up to 1500 lumens with an impressive beam distance of 501 meters, it produces a sharp central hotspot with minimal side spill, making it ideal for hunting, tactical operations and long-range target identification between 100 and 300 meters. The precisely calculated reflector and high-intensity LED ensure maximum throw performance while maintaining clarity and beam definition. Designed for serious field use, the Predator Pro features a noiseless electronic tactical tail switch, a 1-inch body compatible with weapon mounts and remote switches, and a durable... |
